Intervention effectmodel-written summary

The fertilizer combination increased fresh weights of leaves, bulbs, and the whole plant in the first season.

A claim from ONION PLANT GROWTH AND YIELD AS AFFECTED BY NITROGEN, POTASSIUM AND SULPHUR COMBINATIONS UNDER EL-ARISH REGION CONDITIONS · 2016

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The fertilizer combination increased fresh weights of leaves, bulbs, and the whole plant in the first season.

Taxon
onion (Allium cepa L.)Allium cepae1
Treatment
150% N+ 75% K2O+ 200% Se0
Outcome
fresh weight of leaves, bulbs and total fresh weighte0
Direction
increasede0
Comparator
control (recommended doses of N, K and S)e1
Setting
North Sinai, Egypte2

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleValueQualifier

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Allium cepa
Allium cepa · TaxonMehdi · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“application of 150% N+ 75% K2O+ 200% S of recommended dose was the best treatment wherein increased fresh weight of leaves, bulbs and total fresh weight as well as the dry weight of the same previous parameters and photosynthetic pigments in the 1st season”

✓ located verbatim in the source · abstract, characters 437–693
e1

“onion (Allium cepa L.) cv. "White Sweet Spanish" compared to control (recommended doses of N, K and S).”

✓ located verbatim in the source · abstract, characters 306–409
e2

“North Sinai, Egypt”

✓ located verbatim in the source · abstract, characters 108–126

Title

ONION PLANT GROWTH AND YIELD AS AFFECTED BY NITROGEN, POTASSIUM AND SULPHUR COMBINATIONS UNDER EL-ARISH REGION CONDITIONS

Ayatullah El-Morsy; Ali ElKasas; AlSayed El-Tantawy Sinai Journal of Applied Sciences/Sinai Journal of Applied Sciences 2016. doi:10.21608/sinjas.2016.78657

Other claims from this paper (12)

Record rev-2e4e398d645bdbd8d1ce3dfe2c5c528158986e26f40574c4b8a691bf6a313734 · schema claims-v0.9 · position 1 in the model’s answer

potassium · growth · Allium cepa (onion)Positive and negative results

26 papers: 25 positive, 1 negative or no effect

24 papers in the same direction as this claim · 1 in the opposite direction

  1. positive
    Raising potassium sulphate up to 150 kg/fed significantly affected onion growth characters.

    RESPONSE OF GROWTH AND YIELD OF ONION PLANTS TO POTASSIUM FERTILIZER AND HUMIC ACID. · 2005

    Same directionCited by this paper

  2. no effect
    Potassium had no significant impact on shallot height at 2, 3, and 4 MST.

    The Effect of Potassium Fertilizer and Eco-Enzyme on the Growth and Production of Shallots (Allium ascalonicum L.) · 2025

    Opposite direction

  3. positive
    Higher potassium produced more vigorous onion growth in length, leaf number and fresh and dry weight.

    Vegetative Growth and Chemical Parameters of Onion as Influenced by Potassium as Major and Stimufol as Minor Fertilizers · 2011

    Same direction

  4. positive
    Split potassium application increased polar bulb diameter to 51.96 mm versus 51.33 mm for full application at transplanting.

    Effect of Potassium Levels, Sources and Time of Application on Yield of Onion (Allium cepa L.) · 2018 · compared with 100 per cent potassium at transplanting

    Same direction

  5. positive
    The fertilizer and manure combination gave the maximum onion plant height of 50.50 cm.

    Growth and yield of onion (Allium cepa L.) as influenced by application of organic and inorganic fertilizers · 2012

    Same direction

  6. positive
    Combined AMF and potassium silicate treatment produced the maximum increment in onion plant height.

    Effects of Funneliformis mosseae and Potassium Silicate on Morphological and Biochemical Traits of Onion Cultivated under Water Stress · 2022

    Same direction

  7. positive
    Onion given 120 kg K ha-1 from sulphate of potash had maximum plant height, leaf number and leaf length.

    Productivity of Summer Onion to Different Sources and Levels of Potash · 2017

    Same direction

  8. positive
    Onion plant height reached 39.03 cm under the best dose versus 28.50 cm in control.

    Growth and yield of bulbs of onion (Allium cepa L.) as influenced by different levels of nitrogen, phosphorous, potassium and sulphur · 2018 · compared with control

    Same direction

17 papers more in this group

See all 26 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.